Anti Bodies
Monoclonal antibodies were first produced by

Selman Waksman
Sarkar and Sommer
Edward Jenner and Louis Pasteur
Georges Kohler and Cesar Milstein

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Anti Bodies
A polyclonal antibody response

is produced only in response to polymeric antigens
occurs during the lag phase of the immune response
violates clonal selection
is produced by several B cells recognizing different pitopes on the same antigen

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Anti Bodies
The immunoglobulin fold is

both (a) and (b)
a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
found only in IgG molecules
found six times in the IgG molecule

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
four polypeptide chain and has two antigen binding site

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